The International Screen Institute, is a non-profit organisation (e.V.) providing first class training for European and international film and TV creatives and executives. We offer a wide range of courses for all levels of experience, from beginners to top executives and company owners.

The ethos of all courses will adhere to the key five pillars of ISI. These are:

  • quality of teaching by industry experts
  • collaboration between industry sectors and across borders
  • the latest in digital innovation affecting the industry
  • inclusion of all participants regardless of ethnicity, gender, socio economic background or sexual orientation
  • prioritise sustainability in terms of ‘greener’ and more ethical practices at every level and stage of the process.

The Screen Institute Team brings years of practical, hands-on experience to the table to ensure all courses are delivered by high profile industry practitioners, who are the best in their field.

These industry experts and professional trainers will share their knowledge and expertise in a wide range of short and extended courses with the aim to improve the skillsets of film makers and executives as well as building confidence and industry connections to benefit both the individual and their organisation or company in our rapidly growing industry.

Our Team

John Headshot

John Viduya

Course Administrator

Contact John:


+43 670 354 505 24

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John, born in Manila but grew up in Vienna. He masters three languages: German, English and Tagalog (Filipino). After his apprenticeship as a consultant in one of the Big Four tax firms, John decided to challenge himself in a different field. He joined the United Nations Peacekeeping as a Soldier and went on Medical Missions for almost 3 years.

After his return, he then went straight to Marketing where he gained most of his skills in publishing and advertising. From Social Media Content Creator to Copywriter to Art Director, John is excited to put all his skills and experiences as Course Administrator for ISI.

Course Directors

Katja Schwarz

Katja Schwarz

Course Director

Katja is an experienced consultant for sustainable filmmaking and media production. Her credo is: There can be no "greenness” without fairness, equal opportunities and chances. Therefore she is eager to improve conditions for all in the film and media businesses to obtain sustainability including all economical, ecological, cultural and social aspects.

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Katja has been working for film, television and online media since 1993. More than a decade she spent in film production management and early film related online offers. She went on to head the press and PR department of Odeon Film Group in Munich where in 2010 she additionally took on the new remit of the sustainability officer, thus actually laying the foundations for green filmmaking in the German-speaking region.

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For several years now she has been consulting, teaching and writing for production companies, broadcasters, institutions, festivals and film schools like German public broadcasters ARD and ZDF, funk, Goethe-Institute Los Angeles, Barents Ecology Film Festival, naturvision filmfestival, Producers’ Alliance or Film Academy Baden-Wuerttemberg to promote the concept of sustainability in media productions. Since January 2022 in this capacity she is employed at Tolle Idee! Network, Munich. Katja is a member of German Green Film & TV Consultants Association, Filmmakers 4 Future and journalists’ association.

Kai May web

Kai May

Course Director

Lawyer and Partner, UNVERZAGT Rechtsanwälte Partnergesellschaft mbB

Intellectual Property, Copyright and Media law (TV, Motion Pictures and Entertainment) and Structured Finance for Intellectual Properties

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Kai May’s expertise stems from 15 years of experience in the film industry as a managing director/CEO of film production companies. His area of practice, therefore, covers not only the legal but also the business aspects of film and tv productions and other media and entertainment products like video/computer games. He advices national and international clients on the full life cycle of audio-visual content (film, TV, OTT) from rights acquisition, through the stages of development, financing, structuring and (co-) production, until exploitation and distribution, including the evaluation of film libraries and the improvement of revenue streams.

He is also a lecturer at Film University Babelsberg.

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Síle Culley

Lab Director

Síle is a freelance Audience Designer and Development consultant based in Dublin.

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After almost a decade in London working in Sales & Distribution, including at award-winning independent Altitude Films, Síle now facilitates and runs workshops for film teams to help them identify potential audiences for their films and the positioning of their projects in the marketplace. She's also a guest programmer for the Dublin Feminist Film Festival. Síle is an alumni of the National Film and Television School, Berlinale Talents, Torino Film Lab and LIM Less Is More. She is a member of the European Film Academy.


Julia Short

Course Director

With over 25 years of working in the film industry from production to distribution Julia Short has always had a passion for training. She is keen that opportunities that weren’t available to her when she was developing her career are made available to those working in the industry now.

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Actively involved in delivering training … For 7 years Julia ran the Marketing & Distribution Course for the Media Business School in Ronda, Spain and was Director of Content for the Creative Europe/ScreenSkills funded senior executive training programme Inside Pictures, as well as delivering training programmes for Screen Skills Ireland, Film Distributor’s Association, Focus in Scotland, and Creative England.

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Julia has been a driving force in creating ISI when the UK announced it would be leaving the EU and wanted to continue working with those in the international industry.

From a background in advertising and consumer PR, she joined PolyGram, the first European studio, where she was responsible for running the UK theatrical marketing and publicity departments. During her time, she had the honour of releasing such films as WHEN WE WERE KINGS, TRAINSPOTTING, FOUR WEDDINGS AND A FUNERAL, FARGO, TWELVE MONKEYS and THE USUAL SUSPECTS, followed by stints as Deputy Managing Director of Redbus (now Lionsgate), and Head of Marketing at Film Four Distribution.

In 2003 she set her own UK distribution company, VERVE PICTURES with Colin Burch during which time she acquired and released Andrea Arnold’s RED ROAD, the Oscar nominated DOGTOOTH and Craig Gillespies LARS AND THE REAL GIRL. This was followed by two years as Head of International Acquisitions for a UK sales company.

Since 2013 she has worked freelance and been involved in various aspects of the film industry where she was a consultant to producers and, on Danny Boyle’s T2: Trainspotting, worked on the film from pre-production right through to its international release and worked with Pulse Films, Dogwoof, MBC Studio’s and the BFI.

Founding Members

Funding Providers

Supporting Partners



Czezik mueller800

Dinah Czezik-Müller



Heinrich Ambrosch

Deputy Chairman

Michael Frenschkowski800

Michael Frenschkowski


Rieder800 Kopie

Maria-Christine Rieder